CVE-2015-2851

Name: CVE-2015-2851
Creator: NVD / NIST
Published: 2015-05-30T19:59:03.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.75%

Last modified Jun 17, 2026

CVE-2015-2851 is a vulnerability of currently unknown severity. client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.

Metrics

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Synology	Cloud Station	1.1-2291
Synology	Cloud Station	2.0-2291
Synology	Cloud Station	2.0-2402
Synology	Cloud Station	2.1-2561
Synology	Cloud Station	2.1-2570
Synology	Cloud Station	2.1-2577
Synology	Cloud Station	3.0-3005
Synology	Cloud Station	3.0-3103
Synology	Cloud Station	3.0-3108
Synology	Cloud Station	3.0-3109
Synology	Cloud Station	3.0-3111
Synology	Cloud Station	3.1-3317
Synology	Cloud Station	3.1-3320

References

http://www.kb.cert.org/vuls/id/551972Third Party Advisory, US Government Resource
http://www.kb.cert.org/vuls/id/BLUU-9VBU45Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/74826
http://www.kb.cert.org/vuls/id/551972Third Party Advisory, US Government Resource
http://www.kb.cert.org/vuls/id/BLUU-9VBU45Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/74826

Timeline

Published: May 30, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-2851?

How severe is CVE-2015-2851?

Severity scoring for CVE-2015-2851 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2015-2851?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2851?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST